CN204857632U - Tripping device of electric leakage circuit breaker - Google Patents
Tripping device of electric leakage circuit breaker Download PDFInfo
- Publication number
- CN204857632U CN204857632U CN201520582980.0U CN201520582980U CN204857632U CN 204857632 U CN204857632 U CN 204857632U CN 201520582980 U CN201520582980 U CN 201520582980U CN 204857632 U CN204857632 U CN 204857632U
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- CN
- China
- Prior art keywords
- circuit breaker
- iron core
- return unit
- trip link
- tripping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a tripping device of electric leakage circuit breaker, including circuit breaker casing, disconnecting mechanism, hourglass current detection system, electronic control system, electromagnetism release and dropout resetting means, its characterized in that, dropout resetting means is including reset piece, dropout connecting rod, installation axle, reset spring, reset through reset spring slip joint on the circuit breaker casing, the middle part of dropout connecting rod is rotated through the installation axle and is connected in a below that resets, the iron core that moves of electromagnetism release is connected with the one end transmission of dropout connecting rod, the one end that is located the dropout connecting rod still is provided with and the reset pothook of a lock joint or butt, the other end and the disconnecting mechanism transmission of dropout connecting rod are connected. The utility model relates to an exquisiteness, simple structure, tripping force little trick sensitivity is high, and the reliability is high, can eliminate line fault and potential safety hazard because of the electric leakage produces better.
Description
Technical field
The utility model relates to the circuit breaker playing circuit protection for power supply circuits, is specifically related to the tripping mechanism of earth leakage protective circuit breaker.
Background technology
At present; for the various circuit breakers of circuit protection; wherein for transmission tripping action to the releasing structure complex structure of disconnecting mechanism; transmission time delay; can not be corresponding in the short period of time; leave enough spaces to accident potential, the cost that secondly complicated tripping mechanism produces in the process of manufacture, assembling, debugging is high.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of tripping mechanism of residual current circuit breaker.
To achieve these goals, the utility model solves the technical scheme that its technical problem adopts: a kind of tripping mechanism of residual current circuit breaker, comprise Shell of circuit breaker, disconnecting mechanism, leakage current test system, electronic control system, magnetictrip and drop-away reset device, it is characterized in that, described drop-away reset device comprises return unit, trip link, installation shaft, back-moving spring, return unit is slided by back-moving spring and is connected on Shell of circuit breaker, the middle part of trip link is rotatably connected on below return unit by installation shaft, the dynamic iron core of magnetictrip and one end of trip link are in transmission connection, the one end being positioned at trip link is also provided with and return unit snapping or the grab that abuts, the other end and the disconnecting mechanism of trip link are in transmission connection.
The tripping mechanism of a kind of residual current circuit breaker that the utility model provides further, the side of its return unit is provided with positioning boss and positive stop lug boss, be provided with transition R angle between positioning boss and positive stop lug boss, the opposite side of return unit is provided with return unit and slides spacing convex.
The tripping mechanism of a kind of residual current circuit breaker that the utility model provides further, the end opens of one end of its trip link has U-shaped opening, and the end of dynamic iron core is provided with gear cap, and the diameter of gear cap is greater than the width of U-shaped opening.
The tripping mechanism of a kind of residual current circuit breaker that the utility model provides further, is provided with axis hole in the middle part of its trip link, and the two ends of trip link are 120 °-130 ° about the angle at axis hole place.
The tripping mechanism of a kind of residual current circuit breaker that the utility model further provides, its magnetictrip comprises tripping coil, yoke, dynamic iron core, static iron core, iron core spring, push rod, coil rack, yoke is arranged on coil rack, static iron core is fixedly installed on the one end in coil rack, dynamic iron core one end is connected with static iron core by iron core spring, dynamic iron core slip cap is in coil rack and be in transmission connection with reset trip gear, and tripping coil is fixedly wound on coil rack.
The beneficial effects of the utility model: the utility model deft design, structure is simple, and tripping force little trick is highly sensitive, and reliability is high, can eliminate the line fault and potential safety hazard that produce because of electric leakage better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model residual current circuit breaker;
Fig. 2 is the utility model residual current circuit breaker normally combined floodgate drop-away reset device lockup state;
Fig. 3 is the utility model residual current circuit breaker electric leakage separating brake drop-away reset device lockup state;
Fig. 4 is the structural representation of the utility model return unit;
Fig. 5 is the structural representation of the utility model trip link.
Embodiment
The tripping mechanism of a kind of residual current circuit breaker as Figure 1-Figure 5, comprise Shell of circuit breaker 5, disconnecting mechanism, leakage current test system 1, electronic control system 2, magnetictrip 3 and drop-away reset device 4, described drop-away reset device comprises return unit 410, trip link 420, installation shaft 250, back-moving spring, return unit 410 is slided by back-moving spring and is connected on Shell of circuit breaker 5, the middle part of trip link 420 is rotatably connected on below return unit 410 by installation shaft 250, the dynamic iron core 310 of magnetictrip 3 is in transmission connection with one end of trip link 420, the one end being positioned at trip link 420 is also provided with and return unit 410 snapping or the grab 430 that abuts, the other end (and gangbar 4240) and the disconnecting mechanism of trip link 420 are in transmission connection.
The side of described return unit 410 is provided with positioning boss 4110 and positive stop lug boss 4120, is provided with transition R angle between positioning boss 4110 and positive stop lug boss 4120, and the opposite side of return unit 410 is provided with return unit and slides spacing convex.
The described return unit spacing convex that slides comprises downside table top 4140 and upside table top 4130, and downside table top 4140 and upside table top 4130 are parallel to each other.
The end opens of one end of described trip link 420 has U-shaped opening 4210, and the end of dynamic iron core 310 is provided with gear cap, and the diameter of gear cap is greater than the width of U-shaped opening 4210.
Be provided with axis hole in the middle part of described trip link 420, the two ends of trip link 420 are 120 °-130 ° about the angle at axis hole place.
Described magnetictrip 3 comprises tripping coil, yoke, dynamic iron core 310, static iron core, iron core spring, push rod, coil rack, yoke is arranged on coil rack, static iron core is fixedly installed on the one end in coil rack, dynamic iron core 310 one end is connected with static iron core by iron core spring, dynamic iron core 310 slip cap is in coil rack and be in transmission connection with drop-away reset device 4, and tripping coil is fixedly wound on coil rack.
As shown in Figure 2, dynamic iron core 310 in magnetictrip 3 snaps in the U-shaped breach 4210 of trip link 420, return unit 410 is in decline state, the slide downside table top 4140 of spacing convex of its return unit contacts with the positioning bar 520 got stuck on 5 and locates, the slide right-angle surface 4230 of the grab 430 on the downside table top 4140 of spacing convex and trip link 420 of its return unit is engaged, dynamic iron core 310 withstands trip link 420 by iron core acting force of the spring and enters lockup state, return unit 410 can not rise by the active force of back-moving spring, now residual current circuit breaker can normally be connected by closing line.
As shown in Figure 3, when circuit has leakage current to produce, leakage current test system 1 detects that electric leakage signal transfers to electronic control system 2, signal sends instructions to magnetictrip 3 after calculation process is amplified, iron core 310 moment adhesive is moved by electromagnetic field effect, by pulling trip link 420 along installation shaft 250 rotary motion with clamping of U-shaped breach 4210, gangbar 4240 drives breaker actuation, circuit disconnects, meanwhile, the right-angle surface 4230 of the grab 430 on trip link 420 is thrown off gradually with the occlusal position of the positioning boss 4110 of return unit 410, R angle transition face along return unit 410 slides, return unit 410 is upspring fast by action of reset spring, the return unit upside table top 4130 of spacing convex that slides contacts with the positioning bar 510 of housing 5 and locates, positive stop lug boss 4120 on return unit 410 contacts with the fillet surface 4220 of the grab 430 of trip link 420 and stops, trip link 420 end gangbar 4240 blocks circuit breaker actuating mechanism, circuit breaker can not be closed a floodgate.
Drop-away reset device 4 is got back to when pressing return unit 410 after line electrical leakage failture evacuation.
State shown in Fig. 2, residual current circuit breaker of can closing a floodgate connects circuit.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (5)
1. the tripping mechanism of a residual current circuit breaker, comprise Shell of circuit breaker, disconnecting mechanism, leakage current test system, electronic control system, magnetictrip and drop-away reset device, it is characterized in that, described drop-away reset device comprises return unit, trip link, installation shaft, back-moving spring, return unit is slided by back-moving spring and is connected on Shell of circuit breaker, the middle part of trip link is rotatably connected on below return unit by installation shaft, the dynamic iron core of magnetictrip and one end of trip link are in transmission connection, the one end being positioned at trip link is also provided with and return unit snapping or the grab that abuts, the other end and the disconnecting mechanism of trip link are in transmission connection.
2. the tripping mechanism of a kind of residual current circuit breaker according to claim 1, it is characterized in that, the side of return unit is provided with positioning boss and positive stop lug boss, is provided with transition R angle between positioning boss and positive stop lug boss, and the opposite side of return unit is provided with return unit and slides spacing convex.
3. the tripping mechanism of a kind of residual current circuit breaker according to claim 1, is characterized in that, the end opens of one end of described trip link has U-shaped opening, and the end of dynamic iron core is provided with gear cap, and the diameter of gear cap is greater than the width of U-shaped opening.
4. the tripping mechanism of a kind of residual current circuit breaker according to claim 1 or 3, is characterized in that, be provided with axis hole in the middle part of trip link, and the two ends of trip link are 120 °-130 ° about the angle at axis hole place.
5. the tripping mechanism of a kind of residual current circuit breaker according to claim 1, it is characterized in that, described magnetictrip comprises tripping coil, yoke, dynamic iron core, static iron core, iron core spring, push rod, coil rack, yoke is arranged on coil rack, static iron core is fixedly installed on the one end in coil rack, dynamic iron core one end is connected with static iron core by iron core spring, dynamic iron core slip cap is in coil rack and be in transmission connection with reset trip gear, and tripping coil is fixedly wound on coil rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582980.0U CN204857632U (en) | 2015-08-05 | 2015-08-05 | Tripping device of electric leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582980.0U CN204857632U (en) | 2015-08-05 | 2015-08-05 | Tripping device of electric leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857632U true CN204857632U (en) | 2015-12-09 |
Family
ID=54748159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520582980.0U Expired - Fee Related CN204857632U (en) | 2015-08-05 | 2015-08-05 | Tripping device of electric leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070611A (en) * | 2015-08-05 | 2015-11-18 | 浙江凯发电气股份有限公司 | Tripping mechanism of residual current circuit breaker |
| CN109585232A (en) * | 2018-11-16 | 2019-04-05 | 公牛集团股份有限公司 | A kind of residual current action breaker |
-
2015
- 2015-08-05 CN CN201520582980.0U patent/CN204857632U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070611A (en) * | 2015-08-05 | 2015-11-18 | 浙江凯发电气股份有限公司 | Tripping mechanism of residual current circuit breaker |
| CN109585232A (en) * | 2018-11-16 | 2019-04-05 | 公牛集团股份有限公司 | A kind of residual current action breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Patentee after: ZHEJIANG KEVA ELECTRIC CO.,LTD. Address before: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Patentee before: ZHEJIANG KEYVIA ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co.,Ltd. Address before: 325000 white elephant road 2-1, North white elephant Town, Yueqing, Wenzhou, Zhejiang (South Tower) Patentee before: ZHEJIANG KEVA ELECTRIC CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |